Ordering Recommendation

Optimize drug therapy and monitor patient adherence.

Mnemonic

RUFIN SP

Methodology

Quantitative Liquid Chromatography-Tandem Mass Spectrometry

Performed

Mon-Fri

Reported

1-4 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation

Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration.

Collect

Plain Red. Also acceptable: Lavender (K2 or K3EDTA), or Pink (K2EDTA).

Specimen Preparation

Separate from cells ASAP or within 2 hours. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Whole blood. Gel separator tubes, light blue (citrate), or yellow (SPS or ACD solution).

Remarks
Stability

After separation from cells: Ambient: 2 weeks; Refrigerated: 2 weeks; Frozen: 2 weeks

Reference Interval

Therapeutic Range 5-30 µg/mL
Dose-related range
(values at dosages of 800-7200 mg/day)
3-30 µg/mL
Toxic Not well established

Interpretive Data

Adverse effects may include somnolence, vomiting, headache and fatigue.

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

N/A

CPT Codes

80210

Components

Component Test Code* Component Chart Name LOINC
2003177 Rufinamide, Serum or Plasma 59323-6
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Banzel
  • banzel blood level
  • rufinamide blood level
Rufinamide, Serum or Plasma